966 



PROCEEDINGS OF THE ACADEMY OF 



[Dec, 



Polyborus cheriwav GS9 



Polydactvlus ^. .501 



Polygyra^ 222, 225, 226, 253, 255 



altissima 231 



ashmuni 233 



chiricahuana 233,250 



levettei 238 



mearnsi 2^8 



miorhyssa 228 



(Stenotrema) pilsbryi 280 



pseudodonta 232 



rhyssa 227 



r. hyporhyssa 228 



texasiana 223 



t. texasensis 223 



triodontoides 222 



Polymices melanostoma 292 



PolyneniidtP 501 



Polynemus 501 



Polysarcus 444 



Polyzoa 5 



Pomadasis 504 



Pomatorhynchus senegalus 774 



Populus tremuloides 2 



Poromyida? 13 



Porospora gigantea 89 



Porphyrio alleni 757, 758 



chloronotus 758 



porphjTio 758 



Porphyriola 758 



Porphyrula 758 



alleni 757 



Posidippus 807 



Pratincola axillai'is 770 



emmse 770 



Prinia mystacea 773 



Prionidus 198 



PrionopidiE 774 



Prisopus berosus 840 



Pristidff 459 



Pristiopsis 459 



Pristis 459 



pectinatus 459 



perrotteti 459, 459, 460 



semisagittatus 459 



zysron 459 



Procyon pallidus 679 



Proserpinaca palustris 697 



Prosoponcus cristatus 305 



Prosopotheca 306, 330, 331 



brevicornis 306 



communis 307, 330 



directa 307,330 



formosa 307, 331 



humiliceps 307 



indirecta 307 



miniata 307, 331 



minuta 307 



pallida 308,332 



spiralis 308,332 



tibialis 308 



Prosopotheca transversa 308, 333 



Prosphena 404 



scudderi 404,841 



Prosthecera^us 201 



Protengonoceras gabbi 28 



Protocardia arkansense 15 



Protenor 192-197,201 



Psalidoprocne orientalis 768 



petit! orientalis 768 



Psalis americana 838 



pulchra 838 



Psammechinus cingulatus 6 



Psammoryctes 375 



benedeni 388 



Pseudambassis 500 



Pseudobuliminvis incertus 735 



Pseudodiadema diatretum 6 



Pseudogryphus calif ornianus 689 



Pseudomiopteryx 795 



infuscata 795,840 



' Pseudomops 791 



crinicornis 839 



discoidalis 839 



grata 791,839 



oblongata 839 



Pseudophasma 798,800 



crvptochlore 798,840 



menius 800,840 



photon 840 



phthisicum 840 



Pseudophyllodromia 791 



angustata 839 



peruana 791,839 



Pseudopomala brachyptera 39, 53 



Pseudopomatias amoenis 729 



eos r. 728 



Pseudopotamilla 555-569 



anoculata 555, o(J(> 



brevibranchiata..555, 560, 562, 563 



intermedia 555, 558, 5()2 



occelata 555, 558, 559 



oculifera 555, 556, 563 



reniformis 556 



splendida 555, 564, 566, 567, 568 



Pseudotantalus ibis 761 



Psilotum triquetrum 700 



Psinidia fenestralis 39, 53 



Psittacidse 763 



Psj'chotria undata 700 



Pteria laripes 10 



navicula 10 



Pteriida:> 10 



Pteris (Pteridium) aquilina cau- 



data 697 



heterophylla 700 



Pternistes infuscatus 756 



Pterocera scorpio 292 



Pterocvclos wilsoni 725 



Pterodiscus 572,573 



digonophora 572, 573 



petasus 573, 574 



